NO - Besoin d'assistance

Composition of tomatoes and tomato products in antioxidants (WG1) page 8
__________________________________________________________________________________________
p88 9.1.5. Extractions
p88 9.1.6. Recommendations for working with lycopène
p89 9.1.7. Differences verified with Hart and Scott method
p89 9.2. Vitamin C in tomatoes and in tomato products.
p89 9.2.1. Processing effects on Vitamin C
p90 9.2.2. Determination of ascorbic acid in tomato products
p90 9.2.2.1. Volumetric titration
p91 9.2.2.2. Determination of ascorbic acid by HPLC
p93 9.3. Polyphenols
p93 9.3.1. Colorimetric method
p93 9.3.2. HPLC determination
p95 10. Conclusions about analysis data
p96 References